Predictive spark controller

Details Predictive spark controller Predictive spark controller

1995-11-29

1998-04-14

Teska, Kevin J.

Boots, shoes, and leggings

364431051, 364431053, 36443107, 12333919, 123352, F02D 4300, F02P 504

Patent

active

057400458

ABSTRACT:
Engine speed control through variation in ignition timing of an air-fuel mixture in engine cylinders to vary engine output torque in response to current and predicted future engine speed error includes a proportional-derivative control strategy for damping engine speed oscillations, includes an additive combustion timing offset determined as a function of accessory load status for simplified calibration, and includes control gains determined as a function of a predicted future engine intake manifold absolute air pressure to better predict and compensate engine load changes and determined as a function of predicted future engine speed to stabilize combustion timing.

REFERENCES:
patent: 4449501 (1984-05-01), Greeves
patent: 4881512 (1989-11-01), Erskine et al.
patent: 4893244 (1990-01-01), Tang et al.
patent: 4926335 (1990-05-01), Flowers et al.
patent: 5291409 (1994-03-01), Richardson et al.
patent: 5385516 (1995-01-01), Grange et al.
patent: 5497329 (1996-03-01), Tang

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